138822343168 has 40 divisors (see below), whose sum is σ = 277415662788. Its totient is φ = 69400633344.

The previous prime is 138822343151. The next prime is 138822343277. The reversal of 138822343168 is 861343228831.

It can be written as a sum of positive squares in 2 ways, for example, as 113186490624 + 25635852544 = 336432^2 + 160112^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4198830 + ... + 4231762.

Almost surely, 2^138822343168 is an apocalyptic number.

It is an amenable number.

138822343168 is a deficient number, since it is larger than the sum of its proper divisors (138593319620).

138822343168 is an frugal number, since it uses more digits than its factorization.

138822343168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41184 (or 41168 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 49.

The spelling of 138822343168 in words is "one hundred thirty-eight billion, eight hundred twenty-two million, three hundred forty-three thousand, one hundred sixty-eight".